<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="80px"
    >
      <el-form-item label="新闻标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入新闻标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="新闻栏目" prop="categoryId">
        <el-select
          v-model="queryParams.categoryId"
          placeholder="请选择新闻栏目"
          clearable
        >
          <el-option
            v-for="item in categorys"
            :key="item.id"
            :label="`${item.title}`"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="发布时间">
        <el-date-picker
          v-model="daterangePostedAt"
          style="width: 240px"
          value-format="yyyy-MM-dd"
          type="daterange"
          range-separator="-"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
        ></el-date-picker>
      </el-form-item>
      <el-form-item label="审批时间">
        <el-date-picker
          v-model="daterangeApplyTime"
          style="width: 240px"
          value-format="yyyy-MM-dd"
          type="daterange"
          range-separator="-"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
        ></el-date-picker>
      </el-form-item>
      <br />
      <el-form-item label="是否置顶" prop="topping">
        <el-select
          v-model="queryParams.topping"
          placeholder="请选择是否置顶"
          clearable
        >
          <el-option
            v-for="dict in dict.type.topping"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="新闻状态" prop="status">
        <el-select
          v-model="queryParams.status"
          placeholder="请选择新闻状态"
          clearable
        >
          <el-option
            v-for="dict in dict.type.news_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:article:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:article:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:article:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          v-if="false"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:article:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="articleList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" width="55" prop="id" />
      <el-table-column
        label="封面"
        align="center"
        prop="coverImage"
        width="100"
      >
        <template slot-scope="scope">
          <image-preview :src="scope.row.coverImage" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="新闻标题" align="left" prop="title" />
      <el-table-column label="二级标题" align="left" prop="subTitle" />
      <!-- <el-table-column label="新闻内容" align="center" prop="content" /> -->
      <el-table-column label="所属栏目" width="120" align="center" prop="categoryId">
        <template slot-scope="scope">
          {{ categorys.find((v) => v.id == scope.row.categoryId).title || "-" }}
        </template>
      </el-table-column>
      <el-table-column label="顺序" align="center" width="55" prop="sort" />
      <el-table-column label="置顶" align="center" width="55" prop="topping">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.topping" :value="scope.row.topping" />
        </template>
      </el-table-column>
      <el-table-column label="头条" align="center" width="55" prop="headlines">
        <template slot-scope="scope">
          <dict-tag
            :options="dict.type.news_headlines"
            :value="scope.row.headlines"
          />
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" width="75" prop="status">
        <template slot-scope="scope">
          <dict-tag
            :options="dict.type.news_status"
            :value="scope.row.status"
          />
        </template>
      </el-table-column>
      <el-table-column
        label="发布人"
        width="75"
        align="center"
        prop="postedBy"
      />
      <el-table-column
        label="发布时间"
        align="center"
        prop="postedAt"
        width="100"
      >
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.posted) }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="审批人"
        width="75"
        align="center"
        prop="applyBy"
      />
      <el-table-column
        label="审批时间"
        align="center"
        prop="applyTime"
        width="100"
      >
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.applyTime, "{y}-{m}-{d}") }}</span>
        </template>
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
        width="100"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:article:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:article:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改文章管理对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="1200px"
      append-to-body
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="封面" prop="coverImage">
          <image-upload v-model="form.coverImage" />
        </el-form-item>
        <el-form-item label="新闻标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入新闻标题" />
        </el-form-item>
        <el-form-item label="二级标题" prop="subTitle">
          <el-input v-model="form.subTitle" placeholder="请输入二级标题" />
        </el-form-item>
        <el-form-item label="新闻栏目" prop="categoryId">
          <el-select
            v-model="form.categoryId"
            placeholder="请选择新闻栏目"
            clearable
          >
            <el-option
              v-for="item in categorys"
              :key="item.id"
              :label="`${item.title}`"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="置顶展示顺序" prop="sort">
          <el-input-number v-model="form.sort" />
        </el-form-item>
        <el-form-item label="是否置顶" prop="topping">
          <el-radio-group v-model="form.topping">
            <el-radio
              v-for="dict in dict.type.topping"
              :key="dict.value"
              :label="parseInt(dict.value)"
              >{{ dict.label }}</el-radio
            >
          </el-radio-group>
        </el-form-item>
        <el-form-item label="头条" prop="headlines">
          <el-input v-model="form.headlines" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="新闻内容" prop="content">
          <editor v-model="form.content" :min-height="192" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listArticle,
  getArticle,
  delArticle,
  addArticle,
  updateArticle,
} from "@/api/system/article";
import { selectCategory } from "@/api/system/category";

export default {
  name: "Article",
  dicts: ["news_status", "topping", "headlines"],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文章管理表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 审批人ID时间范围
      daterangePostedAt: [],
      // 审批人ID时间范围
      daterangeApplyTime: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        subTitle: null,
        content: null,
        categoryId: null,
        topping: null,
        headlines: null,
        status: null,
        postedAt: null,
        applyTime: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: "新闻标题不能为空", trigger: "blur" },
        ],
        subTitle: [
          { required: true, message: "二级标题不能为空", trigger: "blur" },
        ],
        content: [
          { required: true, message: "新闻内容不能为空", trigger: "blur" },
        ],
        categoryId: [
          {
            required: true,
            message: "新闻所属栏目不能为空",
            trigger: "change",
          },
        ],
        coverImage: [
          { required: true, message: "封面不能为空", trigger: "blur" },
        ],
        sort: [
          { required: true, message: "置顶展示顺序不能为空", trigger: "blur" },
        ],
        content: [
          { required: true, message: "新闻内容不能为空", trigger: "change" },
        ],
      },
      categorys: [],
    };
  },
  created() {
    this.getList();
    this.getcategory();
  },
  methods: {
    getcategory() {
      selectCategory().then((res) => {
        this.categorys = res.data;
      });
    },
    /** 查询文章管理列表 */
    getList() {
      this.loading = true;
      this.queryParams.params = {};
      if (null != this.daterangePostedAt && "" != this.daterangePostedAt) {
        this.queryParams.params["beginPostedAt"] = this.daterangePostedAt[0];
        this.queryParams.params["endPostedAt"] = this.daterangePostedAt[1];
      }
      if (null != this.daterangeApplyTime && "" != this.daterangeApplyTime) {
        this.queryParams.params["beginApplyTime"] = this.daterangeApplyTime[0];
        this.queryParams.params["endApplyTime"] = this.daterangeApplyTime[1];
      }
      listArticle(this.queryParams).then((response) => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        subTitle: null,
        content: null,
        categoryId: null,
        coverImage: null,
        sort: 0,
        topping: 0,
        headlines: null,
        status: null,
        postedAt: null,
        postedBy: null,
        createTime: null,
        createBy: null,
        updateTime: null,
        updateBy: null,
        applyTime: null,
        applyBy: null,
        applyId: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.daterangePostedAt = [];
      this.daterangeApplyTime = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getArticle(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文章管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateArticle(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticle(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除文章管理编号为"' + ids + '"的数据项？')
        .then(function () {
          return delArticle(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "system/article/export",
        {
          ...this.queryParams,
        },
        `article_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>
